100% CottonBuckle closureLow Profile, Unstructed CapSelf-fabric Adjustable Slide Closure with BuckleOne Size Fits MostClassic Sports Ballcap - These comfortable plain baseball hats for men, women, and teens are breathable, comfortable, and keep the sun out of your eyes on sunny days.Fitted Comfort - The back of each hat features an adjustable strap to form the perfect fitted baseball cap for running, working out, or just staying cool on the go.Rich, Vibrant Color Selection - Kangora hats come in a wide assortment of plain yet bold colorways that can match your clothes, personal style.Light and UV-Blocking Brim - The wide, curved brim and premium polyester fabric work together to keep your head cool while protecting your face and skin from UV rays.Rugged Durability - Produced with reinforced stitching and an ultra-strong, durable strap, these mens and womens baseball caps are perfect for outdoor sports or activities.